Valve insides



J. C. CROWLEY VALVE INSIDES Original Filed June 6, 1927 March 3, 1931.

Patented Mar. 3, 1931 UNITED STATES Pars-hr. carica- Jo v e. CROWLEY, or-eLEvELAND HEIGHTS, onrehssreivon 'ro. THE HILL MANUFAC- TIT-RING COMPANY, or CLEVELAN n,,oHro, a ,oonronarron. or OHIO VALVE msrpns Original application filed June 6, 1927, Serial No. 196,676.- Divided-and this application filed May 19, 1928. Serial No. 278,926.

The present invention relates to valve insides which are adapted to be used with the valve stem of pneumatic tires or other inflatable air devices. This application is a divi-. sion of the subject matter originally disclosed in a co-pending application filed June 6, 1927, Serial No. 196,676, valve insides.

An object of the invention is to provide a valve insides which is simple in its construction and which may be manufactured at low cost.

Additional objects and advantages will become apparent as the following detailed description proceeds.

Reference should be had to the accompanying drawing forming a part of this specification in which:

Fig. 1 is a sectional elevation of an embodiment of the invention;

Fig. 2 is a detailed sectional elevation of the valve stem; and

Fig. 3 is a detailed sectional elevation of a portion of the valve insides.

As is well known, it is customary to use in connection with pneumatic apparatus such,

for instance, as pneumatic tires, air bags, etc., a valve stem 1nto which the valve insides are adapted to be inserted. Ordinarily, such valve stem is interiorly bored and the outer,

end thereof provided with interior threads with which the threads of a standard valve insides are engaged so that the latter may be screwed into the valve stem.

However, in the present invention the valve stem 1 is not of standard construction, al-

though it is provided with a central interior bore, the outer end of which may be threaded, if desired, as indicated at 2. Below the threaded portion there is a straight-walled portion 3 which is adapted to receive a pressed metal member 4. This member has a cylindrical body the upper end of which is closed 7 except for a central opening 6, the periphery of which is flanged downwardly to form a truncated cone portion. In other words, this pressed metal member is substantially tubular with one end open and the other end closed, except for the central opening 6, while the truncated conical portion 5 projecting inwardly of the member provides a valve seat.

until it engages with.

The member 5ris inserted within the valve stem under pressure. The cylindrical portion a cngageslwith the wall 3 of the stem and being inserted undenpressure effects a frictional engagement with the wall 3, serving torhold the member 4 in place. The central bore of the valve stem is formed of larger diameter at its upper end than at its lower end, and such ends are connected by a tapered portion 5 which forms anefl'ective seat for the packing. VVhenthe valivepin 8 and the parts associated .therewithare assembled with respect togthe member-4, .which member has beeniinsertedunder, pressure within the valve stem, the valvekinsides form-a self-containing valve structure.-. When, thevalve is in use andthe tirelor other, article in connection with which lt'iS used is inflated, the air pressure acting against the flange 10. and the end of the valve pin- 8'willv be sufiicient to. cause the packing l-lfto impinge against its seat on the conical portionj, thusefi'ecting an. air seal and preventing the escapeof air. Solongas the air pressure exerts its;.in-flucnce in the manner above described, the valve insides will remain in closed position; In inflating,

the winged end -S) ofthe pin will, bedepresscd by means usuallyrprovidedas a part ofinflating devices, so that the ,packing 1O will like-- wise be depressed from its seat and held. in

.pjositijon to permit, of the passage of air throughv the valve and into the article being inflatedQ Sincethe. valve pin .8 extends be- .i-yondlthemember fl and the connected, portions of ,the pin arebeyondthe air passage thence hrcushfi amember-t u stn ck vt 0 C011- nectedport onswill not inany way interfere with the passage of air through the central bore of the member 4 and of the valve stem when the valve pin is depressed; This construction enables a maximum area in the central bore of the member 4 for the passage of air so that there will be a minimum of restriction and retardation of such passage.

The valve insides are simple in construction,

' being made ofbut fewpartspwhichpfier a simple problem'jso' far as manufacturing production is concernedand one which involves low cost besides being, at the same signature. W

i s JOHN C. CROWLEY.

time, capable of ready assembly and disasv sembly. a v v Although a preferred embodiment of the invention has be'en'disclosed and described herein it should beunderstood that the same is not to be limited thereto but is susceptible of such modifications and adaptations as fall within the scope of the appended claims.

I-Iavingthus described my invention, I

claim; r

' 1. A valve insides comprising a member adapted to be insertedunder pressure upon the inside of a valve stem and to be frictional 1y held therein, said member being stamped from sheet metal into substantially tubular formhaving 'one end open and the other end closed except for a central opening, means adjacentjsaid central opening for providing a valve seat, a pin extending through said central opening, a pacnng member associated with the said'valve pin andfadapted to cooperate with the said seat, and means upon the end of-the valve pin beyond the opening in said member to prevent the pin from dropping'through said'opening, 7 1

'2. A valve insidescomprisinga member adapted to'be inserted under pressure upon the inside of a valve stem and to be frictionally held therein, said member being stamped from sheet metal into substantially tubular form having one end open and the other end closed except for-a centralopenformed into an inwardly extending truncatedcon ca'l portion. serving as a valve;seat,a pm extendliigthro'ugli said said opening having, its periphery centralopening, V a packing member-associated with the said valve pin and adapted to cooperate with the saidivalveseat, and 'meansupon-the end of the valve pin beyond the opening in" said member to prevent the through said'opening. 1

3. A valve insides [comprising a member pin from dropping adapted to be secured upon theinsi'deof a valve stem, saidmember being aghollow cylinder having "a relatively thin-wall throughout itslength and adapted to engage with the wall of the bore of the valve stem, said member being openat one end andclosed at the other end except for a 'central opening, said central opening: having its peripheryfianged inwardly of saidmember to form a valve seat,

a pin extending through said central open- 

